I purchased an upgrade for a six month period and gave them my credit card. Six months later they charged me again even though I was not using the service or asked for extending it. Within a week of the charge I asked for them to cancel the service and give me a refund. But hidden in their fine print says that they automatically renew the service and you re never entitled to a refund. I'm off $51 for a service I did not want.
When you sign up they hide all this automatic renewal information (unless you read the fine print). I find this unethical and corrupt, I would stay away.